Skip to content

Course home

Sign up

4.1 Magnets and magnetic fields

EasyMediumHard
123456789
Question 9
F

A plotting compass is placed 3 cm from a long straight wire.

The current in the wire is increased.

What happens to the strength of the magnetic field at the plotting compass?

[1]
A

It decreases

B

It stays the same

C

It increases

D

It falls to zero

Markscheme

4.1 Magnets and magnetic fields Questions

  1. GCSE
  2. /Physics
  3. /4.1 Magnets and magnetic fields

44 exam-style questions on OCR GCSE Physics 4.1 Magnets and magnetic fields, covering 4.1.1 Magnetic poles, attraction and repulsion, 4.1.2 Permanent and induced magnets, 4.1.3 The magnetic field of a magnet, 4.1.4 Compasses and the Earth's magnetic field, 4.1.5 The magnetic field around a current-carrying wire, 4.1.6 Field strength, current and distance, and 4.1.7 Solenoids and electromagnets. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank